/*
 * Copyright (C) 2008 Universidade Federal de Campina Grande
 *  
 * This file is part of OurGrid. 
 *
 * OurGrid is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License as published by the Free 
 * Software Foundation, either version 3 of the License, or (at your option) 
 * any later version. 
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT 
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
 * for more details. 
 * 
 * You should have received a copy of the GNU Lesser General Public License 
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 * 
 */
package org.ourgrid.common.ui.gui;

import java.awt.Component;
import java.io.File;

import javax.swing.JFileChooser;
import javax.swing.filechooser.FileFilter;

public class OGFileChooser extends JFileChooser {

	private static final long serialVersionUID = 1L;


	public OGFileChooser( final String ext, final String description ) {

		super( new File( "." ) );
		setFileFilter( new FileFilter() {

			@Override
			public boolean accept( File f ) {

				return f.getName().toLowerCase().endsWith( ext ) || f.isDirectory();
			}


			@Override
			public String getDescription() {

				return description;
			}
		} );
	}


	/**
	 * Return Selected file in file chooser
	 */
	public File selectFile( Component parent ) {

		int result = this.showOpenDialog( parent );
		if ( result == JFileChooser.APPROVE_OPTION )
			return this.getSelectedFile();
		return null;
	}
}
